Appliance information
6 720 808 928 (2017/06)
13
Legend to Figure 7, Designation of components:
[1]
Control unit
[2]
Manual air vent (Domestic Hot Water)
[3]
Manual air vent (district heating)
[4]
Domestic Hot Water control valve
[5]
Central heating control valve
[6]
Return sensor NTC (district heating)
[7]
Manual air vent (central heating)
[8]
Plate heat exchanger (central heating)
[9]
Flow sensor NTC (central heating)
[10] Circulating pump
[11] Drain point (central heating return)
[12] Central heating return connection
[13] Pressure relief valve (central heating)
[14] Pressure relief valve installer connection elbow
[15] Central heating flow connection
[16] Keyless filling link assembly
[17] District heating return connection
[18] Summer by-pass valve (
Table 2, Model matrix for standard component or accessory)
[19] District heating supply
[20] Filter and drain point (district heating)
[21] Heat meter flow sensor point
[22] Domestic Hot Water outlet
[23] Supply sensor NTC (district heating)
[24] Cold mains inlet
[25] Optional position for pressure gauge (pressure gauge can be moved from position [28] here)
[26] Domestic Hot Water safety valve
[27] Domestic flow turbine and flow regulator
[28] Pressure gauge
[29] Domestic Hot Water outlet sensor NTC
[30] Expansion vessel connector
[31] Domestic pressure relief valve
[32] Differential pressure control valve capillary connection onto manifold
[33] Manifold (district heating)
[34] Differential pressure control valve (
Table 2, Model matrix for standard component or accessory)
[35] Plate heat exchanger (Domestic Hot Water)
[36] Expansion vessel (Schrader valve located top, right hand side towards the back)
[37] Schrader valve access point
[38] Heat meter display (part of heat meter accessory), (
Table 2, Model matrix for standard component or accessory)
[39] Heat meter sensor (part of heat meter accessory), (
Table 2, Model matrix for standard component or accessory)
Summary of Contents for Worcester Greenstar HIU
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